The YORP effect is a phenomenon that affects the rotation rate and pole orientation of an asteroid. YORP is an acronym that combines four scientist’s names: Yarkovsky, O’Keefe, Radzievskii, and Paddack.

The U.S. budget cycle for fiscal year 2015 is coming to an end. Should Congress pass the so-called CRomnibus bill as-is, NASA would see its highest funding level since 2011 and a great increase to its Planetary Science Division.